<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<meta name="viewport" content="width=device-width, initial-scale=1.0" />
		<title>登录</title>
	<link rel="stylesheet" href="css/bootstrap.min.css" />
	<script type="text/javascript" src="js/jquery.min.js" ></script>
	<script type="text/javascript" src="js/bootstrap.bundle.min.js" ></script>
	<script type="text/javascript" src="js/bootstrap.min.js" ></script>
	</head>
	<body class="container">
		<div class="d-inline-flex"><!--弹性盒子 -->
		<form class=" col-sm-6 col-6 border-right" style="margin-top:50px;">
			<div class="form-group"><!--表单组 -->
				<label for="formGroup1">用户名</label>
				<input type="text" class="form-control" id="formGroup1" placeholder="username"><!--表单控件进行优化 -->
			</div>
			<div class="form-group">
				<label for="formGroup2">密码</label><!--密码框 -->
				<input type="password" class="form-control" id="formGroup2" placeholder="password">
			</div>
			<div class="form-group form-check">
				<input type="checkbox" class="form-check-input" id="check">
				<label class="form-check-label" for="check">记住我</label>
			</div>
			<button type="submit" class="btn btn-warning">登录</button>
		</form>
		 <div class="col-sm-5 mx-auto d-block"><!--水平居中到齐 实现图片到齐 -->
		 	<img src="img/猫咪.png" alt="一只猫" width="600" height="500"/>
		 </div>
		 </div>
	</body>
</html>
